UNI EN 15333-1 : 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Minimum equipment
5 Requirements
  5.1 Design
  5.2 Materials
  5.3 Diver worn pressure vessel(s) (if fitted)
  5.4 Diver worn pressure vessel valve(s) (if fitted)
  5.5 High and medium pressure parts and connections
       5.5.1 General
       5.5.2 Pressure reducer(s)
       5.5.3 Pressure relief system(s)
  5.6 Hoses
       5.6.1 General
       5.6.2 Tensile strength of high and medium pressure
              hose assemblies
       5.6.3 Flexibility of high and medium pressure hose
              assemblies
       5.6.4 Kinking of high and medium pressure hoses
       5.6.5 High pressure hose assemblies leak test
       5.6.6 High pressure hose assemblies bursting pressure
       5.6.7 Medium pressure hose assemblies leak test
       5.6.8 Medium pressure hose assemblies bursting pressure
       5.6.9 Umbilical
  5.7 Breathing system
       5.7.1 Performance requirements
       5.7.2 Exhalation valve
       5.7.3 Maximum inspired partial pressure of carbon
              dioxide
       5.7.4 Hydrostatic imbalance
  5.8 Surface control system
       5.8.1 General
       5.8.2 Gas supply
       5.8.3 Gas monitoring
  5.9 Safety devices
       5.9.1 General
       5.9.2 Pressure indicator
       5.9.3 Depth indicator (if fitted)
  5.10 Facepiece
       5.10.1 General
       5.10.2 Helmet
       5.10.3 Full face mask harness
       5.10.4 Mouthpiece assembly
       5.10.5 Breathing system connections
       5.10.6 Visors
       5.10.7 Head protection against impact
  5.11 Harnesses
       5.11.1 Body harness
       5.11.2 Lifting harness
  5.12 Auxiliary gas supply system (bail out)
  5.13 Resistance to temperature
       5.13.1 Storage
       5.13.2 Leakage
  5.14 Connectors
  5.15 Cleaning and disinfecting
  5.16 Pressure resistance of casings and monitors
  5.17 Oxygen compatibility
  5.18 Functional safety of electronical systems
  5.19 Voice communications
       5.19.1 General
       5.19.2 Communication recording
  5.20 Noise
  5.21 Practical performance
6 Testing
  6.1 General
       6.1.1 Procedure
       6.1.2 Nominal values and tolerances
       6.1.3 Test equipment and test procedures
  6.2 Visual Inspection
  6.3 Pressure test of high and medium pressure parts
  6.4 Hoses and umbilical assemblies
       6.4.1 General
       6.4.2 Tensile force of high and medium pressure
              hose assemblies
       6.4.3 Flexibility of high and medium pressure hoses
       6.4.4 Kinking of high and medium pressure hoses
       6.4.5 Leak test of high and medium pressure hose
              assemblies
       6.4.6 Umbilical buoyancy
       6.4.7 Umbilical life line
  6.5 Breathing system
       6.5.1 Configuration
       6.5.2 General test conditions
       6.5.3 Breathing performance
       6.5.4 Upstream demand valve
       6.5.5 Downstream demand valve
       6.5.6 Volume weighted average inspired carbon dioxide
       6.5.7 Exhalation valve
       6.5.8 Hydrostatic imbalance
  6.6 Safety devices
       6.6.1 Pressure indicator
       6.6.2 Depth indicator(s)
       6.6.3 Pressure relief system(s)
       6.6.4 Oxygen monitor
  6.7 Facepiece
       6.7.1 Mechanical strength of the connections between
              the facepiece and the connector
       6.7.2 Full face mask harness
       6.7.3 Impact resistance of the visor(s)
       6.7.4 Head protection
       6.7.5 Noise assessment
       6.7.6 Communications modified rhyme test
       6.7.7 Field of vision
  6.8 Lifting harness
  6.9 Sea water resistance
  6.10 Resistance to temperature
       6.10.1 Testing at -20 degrees C and 50 degrees C
       6.10.2 Testing after storage at -30 degrees C and
              +70 degrees C
       6.10.3 Cold water testing
  6.11 Cleaning and disinfection
  6.12 Oxygen pressure surge test
  6.13 Practical performance
       6.13.1 General
       6.13.2 Test subjects
       6.13.3 Basic testing
       6.13.4 Functional testing when diving
       6.13.5 Report
  6.14 Pressure vessel valve
  6.15 Mouthpiece
  6.16 Casings and monitors
7 Marking
8 Information supplied by manufacturer
Annex A (informative) - Artificial sea water
Annex B (informative) - A typical Modified Rhyme Test word
        list
Annex ZA (informative) - Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 89/686/EEC (PPE)
Bibliography

Describes minimum requirements for demand surface supplied and demand surface oriented diving apparatus to ensure a minimum level of safe operation of the apparatus.